There should be a building department (name might vary) in the city/town hall, apply for a permit there, and they'd guide you through the project.
m*y
6 楼
Nationally speaking, 120 sqft is usually the max you can get w/o a permit. 面积大概200--300平方米 definitely requires a permit.
e*7
7 楼
非常感谢
【在 m***y 的大作中提到】 : There should be a building department (name might vary) in the city/town : hall, apply for a permit there, and they'd guide you through the project.